.footer{
    width: 100%;
    height: 50px;
    background: #f3f3f3;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    a{
        display: flex;
        flex-direction:column;
        text-align: center;
        color: #000;
        font-size: 10px;
        .iconfont{
            font-size: 20px;
        }
        &.active{
            color: #33bdb6;
        }
    }
}